Kosher Potato Salad - cooking recipe

Ingredients

4 lb. potatoes
1 lb. onions, chopped
scant c. vinegar
1 good c. oil
1 good c. water
1 1/3 Tbsp. sugar
1 handful Kosher salt (important)
black pepper

Preparation

Boil and skin potatoes.
Add onions, salt and pepper.
Pour hot liquid which has just come to boil for potatoes.
Refrigerate. Do not use before 2 to 3 hours.